$ git clone -n https://src.fedoraproject.org/rpms/tgif.git /var/lib/mock/f39-build-2353161-60249/root/chroot_tmpdir/scmroot/tgif
Cloning into '/var/lib/mock/f39-build-2353161-60249/root/chroot_tmpdir/scmroot/tgif'...
$ git fetch origin 6c2a967e53be3a50f364be775cbd779c193ba6cb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/tgif
 * [new ref]         6c2a967e53be3a50f364be775cbd779c193ba6cb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6c2a967 Fix fr.po encoding